Шифратор/дешифратор

alphabet_input, keys_input, text_input, crypt_input=[input() for x in range(4)]
encryption, decoding=({} for x in range (2))
text_output, crypt_output=('' for x in range(2))
for letter in range (len(alphabet_input)):
    encryption[alphabet_input[letter]]=(keys_input[letter])
    decoding[keys_input[letter]]=(alphabet_input[letter])

for letter in range(len(text_input)):
    text_output+=str(encryption[text_input[letter]])

for letter in range(len(crypt_input)):
    crypt_output+=str(decoding[crypt_input[letter]])

print(text_output)
print(crypt_output)